Battle of Lake Trasimene vs Lake Trasimenus

Battle of Lake Trasimene and Lake Trasimenus both are nouns.

Word	Noun	Adjective	Verb	Adverb
Battle of Lake Trasimene	Yes	No	No	No
Lake Trasimenus	Yes	No	No	No

As nouns, Battle of Lake Trasimene and Lake Trasimenus are synonyms defined as:

Battle of Lake Trasimene and Lake Trasimenus: a battle in 217 BC in which Hannibal ambushed a Roman army led by Flaminius

Other synonyms of Battle of Lake Trasimene include Battle of Lake Trasimenus.

Battle of Lake Trasimene (noun)	Lake Trasimenus (noun)
a battle in central Italy where Hannibal defeated the Romans under Flaminius in 217 BC	a battle in 217 BC in which Hannibal ambushed a Roman army led by Flaminius
a battle in 217 BC in which Hannibal ambushed a Roman army led by Flaminius